[특허]Projectile for delivering an incapacitating agent

Sierra Nevada Corporation

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Projectile for delivering an incapacitating agent

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-012/46
미국특허분류(USC)	102/512; 102/501; 102/502
출원번호	US-0716160 (2010-03-02)
등록번호	US-8171853 (2012-05-08)
발명자 / 주소	Purvis, John W.
출원인 / 주소	Sierra Nevada Corporation
대리인 / 주소	Klein, O'Neill & Singh, LLP
인용정보	피인용 횟수 : 1 인용 특허 : 17

초록
▼

A projectile for delivering an incapacitating agent through a barrier includes a canister containing the agent and having a closure. The canister is retained in a holder to which is fixed a sleeve formed of a plurality of axial fingers configured to spread radially outward upon impact with the barrier. A ballistic body, configured to penetrate the barrier and having a dispersion port, is connected to the holder forward of the canister so as to be axially movable from a forward position to a rearward position upon impact with the barrier, the ballistic body including a closure-breaching member located so as to breach the closure as the ballistic body moves rearward, thereby placing the canister in fluid communication with the dispersion port. The fingers spread radially against the surface of the barrier opposite the dispersion port so as to lodge the projectile in the barrier.

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1. A projectile configured for delivering an incapacitating agent to a target through a solid barrier, the projectile comprising: a canister configured to contain an incapacitating agent and having an outlet with a breachable closure;a canister retention assembly configured to hold the canister and including a canister holder having an external surface; a deformable, radially-expansible sleeve having a rearward end fixed to the external surface of the canister holder and configured to spread radially outward upon impact with the solid barrier, and;a ballistic body connected to the canister retention assembly so as to be axially movable from a forward position to a rearward position upon impact with the barrier, the ballistic body including a closure-breaching member located so as to breach the closure when the ballistic body moves axially rear-ward upon impact with the barrier, the ballistic body further including a plurality of dispersion ports that are in fluid communication with the outlet of the canister when the closure is breached, wherein the ballistic body has a penetration tip configured to penetrate the solid barrier upon impact therewith. 2. The projectile of claim 1, wherein the radially-expansible sleeve has a substantially cylindrical configuration and is divided around its circumference into a plurality of radially-deformable axial fingers configured to spread radially outward against the solid barrier upon impact of the projectile with the solid barrier. 3. The projectile of claim 1, further comprising a frangible outer sleeve coaxially surrounding the radially-expansible sleeve and configured to separate therefrom upon impact of the projectile with the barrier. 4. The projectile of claim 3, wherein the canister holder includes an attachment portion to which the radially-expansible sleeve is attached, and wherein the outer sleeve is detachably attached to the canister holder proximate the attachment portion. 5. The projectile of claim 3, further comprising a frangible nose cone enclosing the ballistic body so as to be in engaging contact with the outer sleeve and with the radially-expansible sleeve, whereby, upon impact of the nose cone with the barrier, the nose cone initiates the separation of the outer sleeve and the radial expansion of the radially-expansible sleeve. 6. The projectile of claim 1, further comprising a linkage element to which the ballistic body is fixed, wherein the linkage element is movably connected to the canister retention assembly so as to be axially moveable from the forward position to the rearward position. 7. The projectile of claim 6, wherein the canister holder has a forward portion, wherein the canister retention assembly includes a canister retention collar fixed to the forward portion of the canister holder, and wherein the linkage element is movably connected to the canister retention collar. 8. The projectile of claim 6, wherein the radially-expansible sleeve has a substantially cylindrical configuration and is divided around its circumference into a plurality of radially-deformable axial fingers configured to spread radially outward against the solid barrier upon impact of the projectile with the solid barrier, each of the fingers having an interior surface with a cam follower element thereon, and wherein the linkage element has a cam element located thereon so as to engage the cam follower element of each of the fingers, the cam element being configured to urge the fingers radially outward as the linkage element moves from the forward position to the rearward position. 9. A projectile configured for delivering an incapacitating agent to a target through a solid barrier, the projectile comprising: a canister filled with an incapacitating agent and having an outlet with a breachable closure;a canister retention assembly configured to hold the canister and having an external surface;a plurality of radially-deformable axial fingers, each having a rearward portion attached to the external surface of the canister retention assembly, the fingers being configured to spread radially outward upon impact with a solid barrier;a ballistic body having a dispersion port, the ballistic body being movably connected to the canister retention assembly forward of the canister so as to be axially movable from a forward position to a rearward position upon impact with the barrier; anda closure-breaching member mounted in the ballistic body and located with respect to the canister so as to breach the closure when the ballistic body is moved to its rearward position, thereby opening a fluid path from the canister through the ballistic body and the dispersion port;wherein the ballistic body is configured to penetrate the barrier upon impact therewith, and wherein the movement of the ballistic body to its rearward position forces the axial fingers to spread radially outward against the barrier upon impact therewith, thereby lodging the ballistic body in the barrier in position for the dispersal of the incapacitating agent through the dispersion port on the side of the barrier opposite the fingers. 10. The projectile of claim 9, further comprising a frangible outer sleeve coaxially surrounding the axial fingers and configured to separate therefrom upon impact of the projectile with the barrier. 11. The projectile of claim 10, wherein the canister retention assembly includes an attachment portion to which the axial fingers are attached, and wherein the outer sleeve is detachably attached to the canister retention assembly proximate the attachment portion. 12. The projectile of claim 11, further comprising a frangible nose cone enclosing the ballistic body so as to be in engaging contact with the outer sleeve and with the axial fingers, whereby, upon impact of the nose cone with the barrier, the nose cone initiates the separation of the outer sleeve and the radial expansion of the axial fingers. 13. The projectile of claim 9, further comprising a linkage element to which the ballistic body is fixed, wherein the linkage element is movably connected to the canister retention assembly so as to be axially moveable from the forward position to the rearward position. 14. The projectile of claim 13, wherein the canister retention assembly includes a canister holder having a forward portion, and a canister retention collar fixed to the forward portion of the canister holder, wherein the canister holder includes the external surface to which the axial fingers are attached, and wherein the linkage element is movably connected to the canister retention collar. 15. The projectile of claim 13, wherein each of the axial fingers has an interior surface with a cam follower element thereon, and wherein the linkage element has a cam element located thereon so as to engage the cam follower element of each of the axial fingers, the cam element being configured to urge the axial fingers radially outward as the linkage element moves from the forward position to the rearward position. 16. A method of delivering an incapacitating agent to a target through a solid barrier, comprising: (a) providing a projectile comprising: a canister containing an incapacitating agent and having a breachable closure;a canister holder configured to hold the canister and having an exterior surface;a radially-expansible sleeve attached to the exterior surface of the canister holder;a ballistic body configured to penetrate the barrier and having a dispersion port;the ballistic body being movably connected to the canister holder so as to be axially movable between a forward position and a rearward position upon impact with the barrier; and a closure-breaching member fixed to the ballistic body so as to breach the closure and establish fluid communication between the canister and the dispersion port when the ballistic body moves to its rearward position;(b) launching the projectile toward a target behind or beneath the barrier;(c) impacting and penetrating the barrier with the ballistic body, thereby moving the ballistic body from its forward position to its rearward position, and thereby causing the closure-breaching member to breach the closure so as to establish a fluid path from the canister through the dispersion port; and(d) radially spreading the radially-expansible sleeve against the barrier so as to lodge the projectile in the barrier with the dispersion port on the target side of the barrier. 17. The method of claim 16, wherein the radially-expansible sleeve has a substantially cylindrical configuration and is divided around its circumference into a plurality of radially-deformable axial fingers, and wherein the step of radially spreading the expansible sleeve comprises spreading the fingers radially outward against the solid barrier upon impact of the projectile with the solid barrier. 18. The method of claim 16, wherein the ballistic body has a forward portion terminating in a penetration tip configured to penetrate the solid barrier upon impact therewith. 19. The method of claim 16, wherein the projectile further comprises a frangible outer sleeve coaxially surrounding the radially-expansible sleeve, and wherein the step of impacting and penetrating the barrier includes the steps of: (c)(1) fragmenting the outer sleeve and separating it from the projectile upon impact with the barrier; and(c)(2) penetrating the barrier with the ballistic body. 20. The method of claim 19, wherein the canister holder includes an attachment portion to which the radially-expansible sleeve is attached, and wherein the outer sleeve is detachably attached to the canister holder proximate the attachment portion. 21. The method of claim 16, wherein the projectile further comprises a frangible outer sleeve coaxially surrounding the radially-expansible sleeve, and a frangible nose cone enclosing the ballistic body so as to be in engaging contact with the outer sleeve and with the radially-expansible sleeve, and wherein the step of impacting and penetrating the barrier comprises the steps of (c)(1) impacting the barrier with the nose cone and thereby fragmenting the nose cone;(c)(2) with the fragmentation of the nose cone, initiating the separation of the outer sleeve and the radial expansion of the radially-expansible sleeve through the engagement of the nose cone with outer sleeve and the radially-expansible sleeve; and(c)(3) penetrating the barrier with the ballistic body. 22. The method of claim 16, wherein the projectile further comprises a linkage element to which the ballistic body is fixed, wherein the linkage element is movably connected to the canister holder so as to be axially moveable from the forward position to the rearward position. 23. The method of claim 22, wherein the canister holder has a forward portion to which a canister retention collar is fixed, and wherein the linkage element is movably connected to the canister retention collar. 24. The method of claim 23, wherein the radially-expansible sleeve has a substantially cylindrical configuration and is divided around its circumference into a plurality of radially-deformable axial fingers configured to spread radially outward against the solid barrier upon impact of the projectile with the solid barrier, each of the fingers having an interior surface with a cam follower element thereon, and wherein the linkage element has a cam element located thereon so as to engage the cam follower element of each of the fingers, the cam element being configured to urge the fingers radially outward as the linkage element moves from the forward position to the rearward position.

이 특허에 인용된 특허 (17)

이 특허를 인용한 특허 피인용횟수: 1

Manole, Leon; Pizza, Arthur Ricardo; Logsdon, Ernest Lee; Pacella, Gary Anthony; Sebasto, Anthony J.; Toledo, Wilfredo; Shelp, John. Enhanced stability extended range (guidance adaptable) 40 mm projectile. USP2015059021961.

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Projectile for delivering an incapacitating agent

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Projectile for delivering an incapacitating agent

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이 특허에 인용된 특허 (17)

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